thirdly, it discusses the disk partition table carefully, with the famous program fdisk's application, and concludes the fdisk program writing partition table method . fourthly, it makes much more words in the certain file systems and correlative structures, analysing the fat16, fat32 file system in detail 接着,对磁盘的分区结构进行了详解,结合了在众多操作系统中(包括windows)被广泛使用的分区应用程序fdisk程序的使用,对其划分后的多组分区数据表进行了实验研究,总结归纳了fdisk分区后的分区表数据规则,为日后的分区表改写作了理论准备。